<!DOCTYPE html>
<html lang="en">
<head>
    <meta charset="UTF-8">
    <title>登陆</title>
</head>
<body>
    <form action="/login" method="post">
        <input type="text" name="username"/></br>
        <button type="submit" value="Login">Login</button>
    </form>
</body>
</html>